package org.shangda.wechat.pet.util;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.*;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLContextBuilder;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.conn.ssl.X509HostnameVerifier;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.StringBody;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLException;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
import javax.security.auth.message.AuthException;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import java.security.GeneralSecurityException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * HTTP 请求工具类
 */
@Slf4j
public class HttpUtil {
    private static PoolingHttpClientConnectionManager connMgr;
    private static RequestConfig requestConfig;
    private static final int MAX_TIMEOUT = 100000;

    static {
        // 设置连接池
        connMgr = new PoolingHttpClientConnectionManager();
        // 设置连接池大小
        connMgr.setMaxTotal(100);
        connMgr.setDefaultMaxPerRoute(connMgr.getMaxTotal());

        RequestConfig.Builder configBuilder = RequestConfig.custom();
        // 设置连接超时
        configBuilder.setConnectTimeout(MAX_TIMEOUT);
        // 设置读取超时
        configBuilder.setSocketTimeout(MAX_TIMEOUT);
        // 设置从连接池获取连接实例的超时
        configBuilder.setConnectionRequestTimeout(MAX_TIMEOUT);
        // 在提交请求之前 测试连接是否可用
        configBuilder.setStaleConnectionCheckEnabled(true);
        requestConfig = configBuilder.build();
    }

    /**
     * 发送 GET 请求（HTTP），不带输入数据
     *
     * @param url
     * @return
     */
    public static String doGet(String url) {
        return doGet(url, new HashMap<String, Object>());
    }

    /**
     * 发送 GET 请求（HTTP），K-V形式
     *
     * @param url
     * @param params
     * @return
     */
    public static String doGet(String url, Map<String, Object> params) {
        String apiUrl = url;
        StringBuffer param = new StringBuffer();
        int i = 0;
        for (String key : params.keySet()) {
            if (i == 0)
                param.append("?");
            else
                param.append("&");
            param.append(key).append("=").append(params.get(key));
            i++;
        }
        apiUrl += param;
        String result = null;
        HttpClient httpclient = new DefaultHttpClient();
        try {
            HttpGet httpPost = new HttpGet(apiUrl);
            HttpResponse response = httpclient.execute(httpPost);
            int statusCode = response.getStatusLine().getStatusCode();

            log.debug("get response code : " + statusCode);

            HttpEntity entity = response.getEntity();
            if (entity != null) {
                InputStream instream = entity.getContent();
                result = IOUtils.toString(instream, "UTF-8");
            }
            log.debug("get response content : " + result);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return result;
    }

    /**
     * 发送 POST 请求（HTTP），不带输入数据
     *
     * @param apiUrl
     * @return
     */
    public static String doPost(String apiUrl) {
        return doPost(apiUrl, new HashMap<String, Object>());
    }

    /**
     * 发送 POST 请求（HTTP），K-V形式
     *
     * @param apiUrl API接口URL
     * @param params 参数map
     * @return
     */
    public static String doPost(String apiUrl, Map<String, Object> params) {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        String httpStr = null;
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;

        try {
            httpPost.setConfig(requestConfig);
            List<NameValuePair> pairList = new ArrayList<>(params.size());
            for (Map.Entry<String, Object> entry : params.entrySet()) {
                NameValuePair pair = new BasicNameValuePair(entry.getKey(), entry
                        .getValue().toString());
                pairList.add(pair);
            }
            httpPost.setEntity(new UrlEncodedFormEntity(pairList, Charset.forName("UTF-8")));
            response = httpClient.execute(httpPost);
            log.debug(response.toString());
            HttpEntity entity = response.getEntity();
            httpStr = EntityUtils.toString(entity, "UTF-8");
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return httpStr;
    }

    /**
     * 发送 POST 请求（HTTP），JSON形式
     *
     * @param apiUrl
     * @param json   json对象
     * @return
     */
    public static  String doPostJson(String apiUrl, Object json) {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        String httpStr = null;
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;

        try {
            httpPost.setConfig(requestConfig);
            StringEntity stringEntity = new StringEntity(json.toString(), "UTF-8");//解决中文乱码问题
            stringEntity.setContentEncoding("UTF-8");
            stringEntity.setContentType("application/json");
            httpPost.setEntity(stringEntity);
            response = httpClient.execute(httpPost);
            HttpEntity  entity = response.getEntity();
            httpStr = EntityUtils.toString(entity, "UTF-8");

        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return httpStr;
    }

    /**
     * Siebel接口请求
     * @param apiUrl
     * @param json
     * @return
     */
    public static  String doPostJson4Auth(String apiUrl, Object json, final String authToken) {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        String httpResult = null;
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;

        try {
            httpPost.setHeader(HttpHeaders.CONTENT_TYPE,"application/json");
            httpPost.setHeader(HttpHeaders.AUTHORIZATION,  authToken);
            httpPost.setHeader(HttpHeaders.CACHE_CONTROL, "no-cache");
            StringEntity stringEntity = new StringEntity(json.toString(),  "UTF-8");//解决中文乱码问题
            httpPost.setEntity(stringEntity);
            response = httpClient.execute(httpPost);
            log.info("response.getStatusLine().getStatusCode() : {}", response.getStatusLine().getStatusCode());
            HttpEntity entity = response.getEntity();
            httpResult = EntityUtils.toString(entity, "UTF-8");
            log.info("doPostJson4Auth httpResult : {}", httpResult);

            if(new Integer(401).equals(response.getStatusLine().getStatusCode())){
                return Constants.NO_AUTH;
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return httpResult;
    }

    public static  byte[] doJsonPost(String apiUrl, Object json) {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        byte[] res = null;
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;

        try {
            httpPost.setConfig(requestConfig);
            StringEntity stringEntity = new StringEntity(json.toString(), "UTF-8");//解决中文乱码问题
            stringEntity.setContentEncoding("UTF-8");
            stringEntity.setContentType("application/json");
            httpPost.setEntity(stringEntity);
            response = httpClient.execute(httpPost);
            HttpEntity  entity = response.getEntity();
            log.info("wechat qrcode result:" + JSONObject.toJSONString(entity));
            res = EntityUtils.toByteArray(entity);

        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return res;
    }

    /**
     * 发送 POST 请求（HTTP），xml形式
     *
     * @param apiUrl String
     * @param xml String
     * @return
     */
    public static  String doPostXml(String apiUrl, String xml) {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        String httpStr = null;
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;

        try {
//            httpPost.setConfig(requestConfig);
            StringEntity stringEntity = new StringEntity(xml, "UTF-8");//解决中文乱码问题
            stringEntity.setContentEncoding("UTF-8");
            stringEntity.setContentType("application/xml");
            httpPost.setEntity(stringEntity);
            response = httpClient.execute(httpPost);
            HttpEntity  entity = response.getEntity();
            httpStr = EntityUtils.toString(entity, "UTF-8");

        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return httpStr;
    }

    /**
     * 文件请求
     * @return
     * @throws IOException
     */
    public static JSONObject doPost(String url, InputStream inputStream, String contentType) {
        try {
            CloseableHttpClient httpclient = HttpClients.createDefault();
            CloseableHttpResponse response = null;
            HttpPost request = new HttpPost(url);
            request.addHeader("Content-Type", "application/octet-stream");
            byte[] byt = new byte[inputStream.available()];
            inputStream.read(byt);
            request.setEntity(new ByteArrayEntity(byt, ContentType.create(contentType)));


            response = httpclient.execute(request);
            HttpEntity httpEntity = response.getEntity();
            String result = EntityUtils.toString(httpEntity, "UTF-8");// 转成string
            JSONObject jso = JSONObject.parseObject(result);
            return jso;
        } catch (Exception e) {
            e.printStackTrace();
            throw new RuntimeException(e);
        }
    }




    /**
     * 发送 SSL POST 请求（HTTPS），K-V形式
     *
     * @param apiUrl API接口URL
     * @param params 参数map
     * @return
     */
    public static String doPostSSL(String apiUrl, Map<String, Object> params) {
        CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory()).setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;
        String httpStr = null;

        try {
            httpPost.setConfig(requestConfig);
            List<NameValuePair> pairList = new ArrayList<NameValuePair>(params.size());
            for (Map.Entry<String, Object> entry : params.entrySet()) {
                NameValuePair pair = new BasicNameValuePair(entry.getKey(), entry
                        .getValue().toString());
                pairList.add(pair);
            }
            httpPost.setEntity(new UrlEncodedFormEntity(pairList, Charset.forName("utf-8")));
            response = httpClient.execute(httpPost);
            int statusCode = response.getStatusLine().getStatusCode();
            if (statusCode != HttpStatus.SC_OK) {
                return null;
            }
            HttpEntity entity = response.getEntity();
            if (entity == null) {
                return null;
            }
            httpStr = EntityUtils.toString(entity, "utf-8");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return httpStr;
    }

    /**
     * 发送 SSL POST 请求（HTTPS），JSON形式
     *
     * @param apiUrl API接口URL
     * @param json   JSON对象
     * @return
     */
    public static String doPostSSL(String apiUrl, Object json) {
        CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(createSSLConnSocketFactory()).setConnectionManager(connMgr).setDefaultRequestConfig(requestConfig).build();
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;
        String httpStr = null;

        try {
            httpPost.setConfig(requestConfig);
            StringEntity stringEntity = new StringEntity(json.toString(), "UTF-8");//解决中文乱码问题
            stringEntity.setContentEncoding("UTF-8");
            stringEntity.setContentType("application/json");
            httpPost.setEntity(stringEntity);
            response = httpClient.execute(httpPost);
            int statusCode = response.getStatusLine().getStatusCode();
            if (statusCode != HttpStatus.SC_OK) {
                return null;
            }
            HttpEntity entity = response.getEntity();
            if (entity == null) {
                return null;
            }
            httpStr = EntityUtils.toString(entity, "utf-8");
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return httpStr;
    }

    /**
     * 创建SSL安全连接
     *
     * @return
     */
    private static SSLConnectionSocketFactory createSSLConnSocketFactory() {
        SSLConnectionSocketFactory sslsf = null;
        try {
            SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {

                public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
                    return true;
                }
            }).build();
            sslsf = new SSLConnectionSocketFactory(sslContext, new X509HostnameVerifier() {

                @Override
                public boolean verify(String arg0, SSLSession arg1) {
                    return true;
                }

                @Override
                public void verify(String host, SSLSocket ssl) throws IOException {
                }

                @Override
                public void verify(String host, X509Certificate cert) throws SSLException {
                }

                @Override
                public void verify(String host, String[] cns, String[] subjectAlts) throws SSLException {
                }
            });
        } catch (GeneralSecurityException e) {
            e.printStackTrace();
        }
        return sslsf;
    }


    public static String getIp(HttpServletRequest request) {
        String ip = request.getHeader("x-forwarded-for");
        if (StringUtils.isBlank(ip) || StringUtils.equalsIgnoreCase("unknown", ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }
        if (StringUtils.isBlank(ip) || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if (StringUtils.isBlank(ip) || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
        return ip;
    }

    public static Map<String, ?> beanToMap(Object o) {
        return JSON.parseObject(JSON.toJSONString(o));
    }


    /**
     * 发送 GET 请求（HTTP），K-V形式
     *
     * @param url
     * @return
     */
    public static String doGet4Auth(String url, String authToken) {
        String apiUrl = url;
        String result = null;
        HttpClient httpclient = new DefaultHttpClient();
        try {
            HttpGet httpGet = new HttpGet(apiUrl);
            httpGet.addHeader("Authorization", authToken);
            httpGet.addHeader("Content-Type", "application/json");

            HttpResponse response = httpclient.execute(httpGet);
            int statusCode = response.getStatusLine().getStatusCode();

            log.debug("doGet4Siebel : " + statusCode);

            HttpEntity entity = response.getEntity();
            if (entity != null) {
                InputStream instream = entity.getContent();
                result = IOUtils.toString(instream, "UTF-8");
            }
            log.debug("doGet4Siebel content : " + result);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return result;
    }

    /**
     * 发送 POST 请求（HTTP），K-V形式
     *
     * @param apiUrl API接口URL
     * @param params 参数map
     * @return
     */
    public static String doPost4Token(String apiUrl, Map<String, String> params, String authToken) {
        String result = "";
        try {
            // 创建HttpClientBuilder
            HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();
            CloseableHttpClient closeableHttpClient = httpClientBuilder.build();
            HttpPost httpPost = new HttpPost(apiUrl);
            //添加http头信息
            httpPost.addHeader("Authorization", authToken);
            MultipartEntityBuilder builder = MultipartEntityBuilder.create();
            params.forEach((k, v) -> {
                builder.addPart(k, new StringBody(v, ContentType.MULTIPART_FORM_DATA));
            });
            HttpEntity postEntity = builder.build();
            httpPost.setEntity(postEntity);
            HttpResponse httpResponse = null;
            HttpEntity entity = null;
            try {
                httpResponse = closeableHttpClient.execute(httpPost);
                entity = httpResponse.getEntity();
                if (entity != null) {
                    result = EntityUtils.toString(entity);
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
            // 关闭连接
            closeableHttpClient.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }

    /**
     * bear auth 接口请求
     * @param apiUrl
     * @param json
     * @return
     */
    public static  String doPostJson4D1m(String apiUrl, Object json, final String d1mToken) {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        String httpResult = null;
        HttpPost httpPost = new HttpPost(apiUrl);
        CloseableHttpResponse response = null;

        try {
            httpPost.setHeader(HttpHeaders.CONTENT_TYPE,"application/json");
            httpPost.setHeader(Constants.D1M_TOKEN,  d1mToken);
            httpPost.setHeader(HttpHeaders.CACHE_CONTROL, "no-cache");
            StringEntity stringEntity = new StringEntity(json.toString(),  "UTF-8");//解决中文乱码问题
            httpPost.setEntity(stringEntity);
            response = httpClient.execute(httpPost);
            log.info("doPostJson4D1m response.getStatusLine().getStatusCode() : {}", response.getStatusLine().getStatusCode());
            HttpEntity entity = response.getEntity();
            httpResult = EntityUtils.toString(entity, "UTF-8");
            log.info("doPostJson4D1m httpResult : {}", httpResult);

            if(new Integer(401).equals(response.getStatusLine().getStatusCode())){
                return Constants.NO_AUTH;
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (response != null) {
                try {
                    EntityUtils.consume(response.getEntity());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return httpResult;
    }

    /**
     * 发送 GET 请求（HTTP），K-V形式
     *
     * @param url
     * @return
     */
    public static String doGet4D1m(String url, String authToken) {
        String apiUrl = url;
        String result = null;
        HttpClient httpclient = new DefaultHttpClient();
        try {
            HttpGet httpGet = new HttpGet(apiUrl);
            httpGet.addHeader(Constants.D1M_TOKEN, authToken);
            httpGet.addHeader("Content-Type", "application/json");

            HttpResponse response = httpclient.execute(httpGet);
            int statusCode = response.getStatusLine().getStatusCode();

            log.debug("doGet4D1m : " + statusCode);

            HttpEntity entity = response.getEntity();
            if (entity != null) {
                InputStream instream = entity.getContent();
                result = IOUtils.toString(instream, "UTF-8");
            }
            log.debug("doGet4D1m content : " + result);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return result;
    }


    public static void main(String[] args) {
        String apiURL = "https://qa.api.dev4apps.com/KafkaUpsertService";
        String token = "59cc7431e3c2bfa0899a1ac6b16d6fb";
        String json = "{\"Brand\":\"58\",\"StoreCode\":\"62176\",\"TransactionId\":\"BVtmallU1608004229021\",\"ListOfK3ClientelingWsIo\":{\"K3ContactBc\":[{\"ClientID\":\"62176801967115\",\"LastModifiedDate\":\"12/15/2020 11:50:29\",\"TitleSalutation\":\"MR.\",\"LocalLastName\":\"张\",\"LocalFirstName\":\"三\",\"Gender\":\"M\",\"City\":\"上海\",\"ListOfK3SocialChannelsBC\":{\"K3SocialChannelsBC\":[{\"SocialUserNickname\":\"张三\",\"RecruitmentChannel\":\"Tmall\",\"SocialChannel\":\"Tmall\",\"AppLanguage\":\"SIMPLIFIED CHINESE\",\"SocialUserID\":\"zhangsan\"}]},\"MobilePhoneNumber\":\"13564561234\",\"ProspectSource\":\"MY ACCOUNT\",\"DataOutsideCountry\":\"Y\",\"ShareWithPartner\":\"N\",\"MobilePhoneValidity\":\"Y\",\"CountryCode\":\"+86\"}]}}";
        System.out.println(doPostJson4Auth(apiURL, json, token));;
    }
}
